Seiko Cal. 6191 - 257

The 6191-257 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6191 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4594b2b7fbe1]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1986

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